876 to 900 of 2,200 Senior Jobs in London

Senior Software Engineer (Architecture-Focused) Hybrid — London £70,000 - £80,000 + Benefits We’re partnering with a global adtech firm. They’re now looking for a Senior Software Engineer with architectural exposure to help design and deliver key platform components while remaining hands-on across Python, TypeScript/React ...

Senior Software Engineer (Architecture-Focused) Hybrid — London £70,000 - £80,000 + Benefits We’re partnering with a global adtech firm. They’re now looking for a Senior Software Engineer with architectural exposure to help design and deliver key platform components while remaining hands-on across Python, TypeScript/React ...

Senior AI Engineer (Agentic & Retrieval Systems) Location: Flexible/Hybrid Level: Senior–Principal Type: Full-time A fast-growing, AI-native firm is expanding its engineering capability to deliver agentic, retrieval, and knowledge-driven AI systems for enterprise clients. They are hiring a Senior AI Engineer — a hands-on builder … combines deep AI engineering with product thinking to turn messy business problems into reliable, production-grade AI systems . You’ll work in small senior teams, directly with clients, shaping solutions from first principles through deployment. What You’ll Do Build & Own AI Systems Design and ship LLM applications using ...

Senior AI Engineer (Agentic & Retrieval Systems) Location: Flexible/Hybrid Level: Senior–Principal Type: Full-time A fast-growing, AI-native firm is expanding its engineering capability to deliver agentic, retrieval, and knowledge-driven AI systems for enterprise clients. They are hiring a Senior AI Engineer — a hands-on builder … combines deep AI engineering with product thinking to turn messy business problems into reliable, production-grade AI systems . You’ll work in small senior teams, directly with clients, shaping solutions from first principles through deployment. What You’ll Do Build & Own AI Systems Design and ship LLM applications using ...

Senior ServiceNow Business Analyst (Cloud and Infrastructure) Are you a ServiceNow Business Analyst who instinctively pushes for out of the box solutions, knows ITSM and ITOM inside out, and understands exactly how cloud workflows and infrastructure processes really run behind the scenes? If you thrive on translating messy legacy processes … into clean, scalable ServiceNow capability, this role is written for you. This is your chance to step into a senior position where your expertise genuinely shapes client transformation. You will work directly with technical and non technical stakeholders, guide them through complex migrations, and influence decisions by telling the story ...

Senior ServiceNow Business Analyst (Cloud and Infrastructure) Are you a ServiceNow Business Analyst who instinctively pushes for out of the box solutions, knows ITSM and ITOM inside out, and understands exactly how cloud workflows and infrastructure processes really run behind the scenes? If you thrive on translating messy legacy processes … into clean, scalable ServiceNow capability, this role is written for you. This is your chance to step into a senior position where your expertise genuinely shapes client transformation. You will work directly with technical and non technical stakeholders, guide them through complex migrations, and influence decisions by telling the story ...

Senior Python Engineer - Backend Salary: £65,000 – £80,000 + 10% bonus Hybrid: 2 days per week in the office (Holborn, London) We're looking for a Senior Python backend Engineer to help build highly scalable, reliable, and well-designed backend services that power exceptional digital experiences. This ...

Senior Python Engineer - Backend Salary: £65,000 – £80,000 + 10% bonus Hybrid: 2 days per week in the office (Holborn, London) We're looking for a Senior Python backend Engineer to help build highly scalable, reliable, and well-designed backend services that power exceptional digital experiences. This ...

Senior Data Scientist – Personalisation London – Hybrid Up to £65,000 About the Role We’re working with a growing fintech organisation that’s redefining how people save and invest. Their mission is to make financial wellbeing simple, transparent, and accessible - helping customers feel confident about their money through technology, insight … great user experience. As a Senior Data Scientist, you’ll focus on customer analytics and applied data science - using data to understand behaviour, identify opportunities, and guide strategic decisions across marketing, product, and personalising customer experience. Key Responsibilities Translate business challenges into analytical questions and deliver data-led insights that ...

Senior Data Scientist – Personalisation London – Hybrid Up to £65,000 About the Role We’re working with a growing fintech organisation that’s redefining how people save and invest. Their mission is to make financial wellbeing simple, transparent, and accessible - helping customers feel confident about their money through technology, insight … great user experience. As a Senior Data Scientist, you’ll focus on customer analytics and applied data science - using data to understand behaviour, identify opportunities, and guide strategic decisions across marketing, product, and personalising customer experience. Key Responsibilities Translate business challenges into analytical questions and deliver data-led insights that ...

Senior Python Software Engineer – Analytics & Optimisation • £75,000–£85,000 + bonus • UK or Netherlands | Hybrid (2 days office) Our client is a high-growth marketing technology company reshaping how global brands measure and optimise marketing performance. With a world-class team spanning the UK, Netherlands, and US, they … forecasting tools. You’ll be joining at a pivotal moment, taking ownership of critical modules in a platform used by industry leaders worldwide. The Senior Python Software Engineer – Analytics & Optimisation will play a central role in the development of a high-performance analytics engine powering marketing decisions. This ...

Senior Python Software Engineer – Analytics & Optimisation • £75,000–£85,000 + bonus • UK or Netherlands | Hybrid (2 days office) Our client is a high-growth marketing technology company reshaping how global brands measure and optimise marketing performance. With a world-class team spanning the UK, Netherlands, and US, they … forecasting tools. You’ll be joining at a pivotal moment, taking ownership of critical modules in a platform used by industry leaders worldwide. The Senior Python Software Engineer – Analytics & Optimisation will play a central role in the development of a high-performance analytics engine powering marketing decisions. This ...

Senior Python Developer – Team Lead Location: Remote (UK-based) Salary: £55,000 – £62,000 per annum We’re recruiting on behalf of our client who are in EdTech supporting schools across the UK. The business develops cloud-based solutions that help schools use technology and data to improve outcomes. They … looking for a Senior Python Developer with Team Lead experience to join their engineering team. You’ll lead development, set technical standards and support the delivery of scalable, cloud-native products. Main Duties of the Role Lead the design and development of scalable Python applications Provide technical leadership within ...

Senior Backend Engineer (Hybrid – 3 Days on-site | Python | Django | AWS | £75K) We’re working with a rapidly scaling PropTech leader transforming property management through real-time, cloud-based technology. Backed by top global investors, they’re building the next generation of tools that help property professionals make faster, smarter … decisions. As the team grows, we’re looking for a Senior Backend Engineer who loves solving complex problems, ships high-quality code, and thrives in a fast-moving scale-up environment. What You’ll Work On Building & optimising APIs, microservices, and data pipelines Writing clean, testable, scalable Python/Django ...

Senior Backend Engineer (Hybrid – 3 Days on-site | Python | Django | AWS | £75K) We’re working with a rapidly scaling PropTech leader transforming property management through real-time, cloud-based technology. Backed by top global investors, they’re building the next generation of tools that help property professionals make faster, smarter … decisions. As the team grows, we’re looking for a Senior Backend Engineer who loves solving complex problems, ships high-quality code, and thrives in a fast-moving scale-up environment. What You’ll Work On Building & optimising APIs, microservices, and data pipelines Writing clean, testable, scalable Python/Django ...

Contract Senior Project Manager - Inside IR35. Day rate of £300-400 per day - dependent on experience You will need to go into the office in Central London 2-3 days a week. About the Company My client is a leading marketing Technology and Data solutions organisation providing services to both … public sector. They have an excellent reputation in the markets they operate in across Customer Experience and Transformation About the Role As a Senior Project Manager within the Experience & Transformation (E&T) team, you are responsible for the successful delivery of exciting digital transformation projects for their clients. You will ...

Senior D365 Business Central Support Consultant – Gold Partner Up to £55,000 + Benefits Career Progression to Consultant Level Permanent | UK (Hybrid/Remote options available) Are you an experienced Dynamics 365 Business Central Support Consultant looking to take the next big step in your career? Join a leading Microsoft … fantastic opportunity to become a key part of a growing, supportive team — with a clear pathway into full consultancy. The Role As a Senior D365 BC Support Consultant, you will: Provide 2nd/3rd line support on Business Central (and NAV where required) Troubleshoot and resolve application, functional, and technical ...

Senior D365 Business Central Support Consultant – Gold Partner Up to £55,000 + Benefits Career Progression to Consultant Level Permanent | UK (Hybrid/Remote options available) Are you an experienced Dynamics 365 Business Central Support Consultant looking to take the next big step in your career? Join a leading Microsoft … fantastic opportunity to become a key part of a growing, supportive team — with a clear pathway into full consultancy. The Role As a Senior D365 BC Support Consultant, you will: Provide 2nd/3rd line support on Business Central (and NAV where required) Troubleshoot and resolve application, functional, and technical ...

Senior Security Assessor – UK Region ControlCase is seeking a Senior Security Assessor (QSA) based in the UK with strong, up-to-date experience in IT security assessment and auditing. In this role, you will work directly with client organizations and their teams to assess their IT environments against a wide ...

Senior Data Engineer | London (Hybrid) I am working with a growing consultancy where curious, collaborative technologists do the best work of their careers — and keep learning while they do it. They are growing their London data engineering team and are looking for Senior Data Engineers (with some flexibility for exceptional ...

Senior Data Engineer | London (Hybrid) I am working with a growing consultancy where curious, collaborative technologists do the best work of their careers — and keep learning while they do it. They are growing their London data engineering team and are looking for Senior Data Engineers (with some flexibility for exceptional ...

Senior Frontend Engineer – Technical Leadership + Modern JS Location: Belfast (Hybrid) Type: Permanent | Full-time Company: OCHO | Building Teams Contact: Ryan Quinn on LinkedIn The Opportunity OCHO are partnering with a high-growth technology company to hire a Senior Frontend Engineer who will play a pivotal role in shaping their ...

Senior Data Engineer London - Hybrid with two office days per week Up to 85k I am supporting a major technology led organisation that is investing heavily in modernising its data platform and building next generation analytics capabilities. They are scaling their data function and are looking for a Senior Data ...

Senior Data Engineer London - Hybrid with two office days per week Up to 85k I am supporting a major technology led organisation that is investing heavily in modernising its data platform and building next generation analytics capabilities. They are scaling their data function and are looking for a Senior Data ...

Senior SDET Engineer - FinTech - Java, JBehave Oliver Bernard are currently seeking a Senior SDET to join a well-established team for a FinTech client of ours based in London. Their aim is to boost business growth by providing faster, easier and a more secure way to access credit. The Senior … maintaining and improving test automation scripts. The ideal candidate will have at least 5 years’ experience as a SDET Engineer, ideally operating in a Senior capacity in their current role, and have the following: Strong knowledge of Software Development and Quality Assurance principles, practices, and methodologies Proficiency with BDD such ...